In September 2006, the City Council formally expressed support for the Kyoto Protocol by Resolution No. 1129 and joined ICLEI by Resolution No. 1130.

In April 2008, the City Council resolved to establish a sustainable building policy with Resolution No. 1168, and to become a member city of Cascade Agenda with Resolution No. 1169.

The Mayor proclaimed October 4, 2006 as “Change a Light Day” in Edmonds to encourage citizens to switch to energy-efficient light bulbs in their homes.

The Mayor proclaimed April 14 – 22, 2007 as “Earth Week in Edmonds” in conjunction with Step it Up National Day of Climate Change and the 37th anniversary of Earth Day.

The Mayor proclaimed March 29, 2008 from 8 to 9 p.m. as “Earth Hour in Edmonds” and encouraged citizens to turn off their lights to conserve energy.

The Mayor proclaimed March 28, 2009 from 8:30 to 9:30 p.m. as "Earth Hour in Edmonds" and encouraged citizen to turn off their lights to significantly reduce energy consumption.